Fix Cracked Window Putty

The only real reason to replace the putty is if it has become old and cracked or its integrity surrounding the glass has been compromised.

Fix cracked window putty.

Apply the epoxy to the crack in the glass using a putty knife. Firstly remove all loose putty or flaky paint sand down and apply the filler using a filler knife. Replacing a broken pane in a modern insulated window is a task for a qualified glass repair technician. On closer inspection i could see the glazing had cracked away from the window.

Take care not to scratch the glass when rubbing down. I still have all my original windows and don t ever want to replace them if i can avoid it. Work the adhesive back and forth across the crack gently. Replacing the glass in an older single pane window is a project that may be within the capabilities of an experienced do it yourselfer but it s a complex job that requires removing the old putty and glazier s points removing the broken.

Once dry rub down using a medium grade abrasive paper till smooth. Step 6 glazing bead repair. 1 place the window frame onto a flat table. I really love the looks of a true divided light window so when i had the house painted the painters re glazed the windows that needed new glazing.

Press the epoxy over and into the crack with a putty knife. Replacing the putty around one pane of glass will take 15 minutes to an hour depending on the size of the pane and the stubbornness of the old putty.